Marriage, Matrimony
noun, verbal noun, の adjective
Marry and marriage still make marriage. Congratulations! Wooh! Yay!
こんいん
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
婚姻届を役所に提出しました。
I submitted the marriage registration at the public office.